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Science - Unit 2

Respiratroy and Circulatory Systems, Lessons 10-16

The air sacks in your lungs are called ______. alveoli
Your lungs are surrounded by _______ _________. pleural membranes
The functions of the nose are ______________. To warm air, catch/filter particles, and smell (olfactory glands)
The larynx is commonly called the _____ ___/_____ _____. voice box/vocal cords.
The trachea is commonly called the ____ ____. wind pipe
The scientist who first discovered a vaccine for polio is _____ ____. Jonas Salk
Polio is prevented today with the use of ____ _______. The symptoms are ___ ____. oral vaccine. flu like
A hiccup is caused by ___________. diaphragm is out of sync with everything else.
A burp is caused by _______. swallowing too much air.
The amount of air a person can forcibly exhale after taking a deep breath (as in the lab) is called _____ ________. vital capacity.
When you inhale, your diaphragm ________ ____, and the ribs __ __ _ ___, the volume of your chest cavity _________, which _________ the air pressure in your lungs, causing air to ____ __. flattens down, go up & out, increases, decreases
Gas exchange occurs in the ______. alveoli
The path of air during ventilation: __________________. mouth/nose, trachea, bronchus, bronchioles, then alveoli.
When exhaling, the amount of air remaining in you lungs is the _______________. residual volume
A calorie is a unit of ____ ______. heat energy
The primary goal of cellular respiration is to release ______ from digested nutrients. energy
During cellular respiration, ______ helps convert _______ to energy, while releasing ______ _______ and _____. oxygen, glucose, carbon dioxide, and water.
Cellular respiration takes place in the ____________ of body cells. Mitochondria
If a food sample releases more heat when burned, then it ___ ____ _______. has more calories
Which vessels carry blood to the hear? veins
Whic vessels exchange nutrients and waste products? cappilaries
Which vessels carry blood away from the heart? arteries
Which vessels are the smallest? cappilaries
_________ are solid substances that aids in clotting of blood. Platelets
_____ _____ help protect the body against disease. White blood cells
___ _____ _____ carry oxygen to body cells. Red blood cells
The liquid part of blood is called ______. plasma
Valves can be found in the _____ and _____. heart, veins
Risk factors for high blood pressure include _________________. too much salt, too much cholesteral, not enough excercise, and smoking.
The human circulatory system is a ______ system with ___ loops and a ____-chambered heart. closed, two, four
The _____ is the "superhighway" that carries oxygenated blood out of the heart to the rest of the body. aorta
Why does blood from the body come back to the heart with less oxygen? your body cells use oxygen for cellular respiration.
In the heart, the septum separates the _____/____ ____. right/left side
The oxygenated blood is in the ____ side of the heart. left
The ____ _________ of the heart is stronget than the ______ _________. left ventricle, right ventricle.
Created by: thinkpink